Ai giải hộ mk hai câu này với ạ Câu 1 . Tìm m để f(x) = với mọi x thuộc R. Câu 2 . Cho tam giác ABC có AB = 7, AC = 8, BC = 13. a) Tính số đo góc A. b) Tính diện tích tam giác ABC. c) Tính độ dài đường cao BH của tam giác ABC.

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VII. Make questions from the words underlined: 1.I’d like some rice and chicken for dinner……………………………………………………. 2.A cake is 5,000 đ……………………………………………………………………………. 3.I feel tired …………………………………………………………………………………….. 4.I went fishing with my friends yesterday …………………………………………………… 5.Yes. I often play badminton in the fall. ……………………………………………………… 6.It’s warm in the spring. ………………………………………………………………………. 7.They are playing table tennis at the moment ………………………………………………… 8.I play soccer ………………………………………………………………………………….. 9.She did aerobics last day …………………………………………………………… 10.He wanted a kilo of rice ……………………………………………………………………… VIII. Arrange the words into the sentence: 1.want / Tom / Mary / and / glasses / two / of / water. ……………………………………………………………………………………………………………. 2.children / for / her / oranges / and / some / apples / going / buy / to / is / Mrs Lan. ……………………………………………………………………………………………………………. 3.sister / my / going / is / to / live / country / the / in. ……………………………………………………………………………………………………………. 4.going / dinner / tonight / is / have / to/ where / Lan? ……………………………………………………………………………………………………………. 5.go / to / next / weekend / are / you / going / where? ……………………………………………………………………………………………………………. 6.the / spring / in / what / weather / is / like / the? ……………………………………………………………………………………………………………. 7.building / tallest / the / is / this / city / the / in / world. ……………………………………………………………………………………………………………. 8.Lan’s house / smaller / is / house / my / than. ……………………………………………………………………………………………………………. 9.she / never / with / camping / goes / her / friends. ……………………………………………………………………………………………………………. 10.often / she / go / does / how / cinema / to / the? …………………………………………………………………………………………………………….